CN1946970A - Steam cooker and steam producing device - Google Patents
Steam cooker and steam producing device Download PDFInfo
- Publication number
- CN1946970A CN1946970A CNA2005800130004A CN200580013000A CN1946970A CN 1946970 A CN1946970 A CN 1946970A CN A2005800130004 A CNA2005800130004 A CN A2005800130004A CN 200580013000 A CN200580013000 A CN 200580013000A CN 1946970 A CN1946970 A CN 1946970A
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- steam
- evaporating kettle
- heater
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- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 170
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 238000001704 evaporation Methods 0.000 claims description 155
- 230000008020 evaporation Effects 0.000 claims description 5
- 230000029087 digestion Effects 0.000 description 15
- 238000005086 pumping Methods 0.000 description 11
- 238000009835 boiling Methods 0.000 description 10
- 230000037361 pathway Effects 0.000 description 8
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- 210000005239 tubule Anatomy 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
- A21B3/00—Parts or accessories of ovens
- A21B3/04—Air-treatment devices for ovens, e.g. regulating humidity
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/78—Adaptations or mounting of level indicators
Abstract
A steam cooker has a steam producing device for producing steam, a steam temperature raising device for raising the temperature of the steam from the steam producing device, and a heating chamber for heating an object to be heated by the steam supplied from the steam temperature raising device. The steam producing device has a pot (41) into which water is supplied, a heater (42) placed in the pot (41), and a water level sensor (43) and a temperature sensor (48) that are placed in the pot (41). The water level sensor (43) and the temperature sensor (48) are placed on opposite side surfaces in the pod (41), on the shorter sides of an elongate rectangular shape of the pod (41). The state of exposure of the heater (42) from the water in the pot (41) is determined by the water level sensor (43) and the temperature sensor (48).
Description
Technical field
The present invention relates to steam cooker and steam raising plant.
Background technology
In the past,, send into the steam cooker (for example can open flat 8-49854 communique) of superheated steam in the oriented steam box with reference to the spy as utilizing steam to carry out the steam cooker of the hot digestion of heating objects such as food.This steam cooker has in evaporating kettle and along vertical plane heater to be set and to heat to produce the steam superheater of superheated steam with the steam raising plant that produces steam and to the steam that is produced by this steam raising plant, and the superheated steam that is produced in the above-mentioned steam superheater is sent into the boiling of carrying out food in the steam box.
But, above-mentioned steam cooker can can't accurately detect the water level in the evaporating kettle owing to seethe with excitement the bubble that produces when producing steam, therefore, water level can't be controlled near the heater top and have under the state of in evaporating kettle, putting into a lot of water in advance, water be heated.Therefore, in the above-mentioned existing steam cooker, its steam raising plant produces steam needs the long time, can't make the very fast generation of superheated steam, thereby compares the long problem of digestion time that exists with micro-wave oven etc.
In addition, also never there was the steam raising plant of the requirement that can satisfy the very fast generation of steam in the past.
Summary of the invention
, the objective of the invention is for this reason, provide a kind of and can make the steam cooker very fast generation of superheated steam, that can shorten digestion time.
In addition, another object of the present invention is, provides that a kind of can to make the device very fast generation of steam, that carry out hot digestion for steam cooker etc. be best steam raising plant.
For achieving the above object, the feature of steam cooker of the present invention is to have: the steam raising plant that produces steam; The steam heat riser heats up the steam from described steam raising plant; Heating clamber, the steam that provides with described steam heat riser heats heating object; Described steam raising plant has: supply with the evaporation of water still to it; Be arranged on the heater in the described evaporating kettle; A plurality of condition judgement elements are arranged in the described evaporating kettle, and the state that exposes the water of described heater in described evaporating kettle is judged.
In the steam cooker that as above constitutes, though the water level in the evaporating kettle is positioned at than on the high slightly position, the top of heater, can make that the water yield in the evaporating kettle is minimum, but tilt so evaporating kettle when tilting at this steam cooker body, if do not reach the water level that heater is upwards exposed from the water surface, then can not effectively utilize the heat that heater sends, the generation of steam also will be postponed.For this reason, in steam cooker of the present invention, will a plurality of condition judgement elements that state judges that expose of above-mentioned heater be arranged in the evaporating kettle, so that the state that exposes the water of heater in above-mentioned evaporating kettle is judged.So, can be according to the result of determination of above-mentioned a plurality of condition judgement elements, the water level in the evaporating kettle is remained in the water of heater in above-mentioned evaporating kettle not on the water level that can expose from the water surface.As mentioned above, even above-mentioned evaporating kettle tilts, also can make heater not can from the water surface expose and also the evaporating kettle that heats with heater in the water yield the least possible, can make the very fast generation steam of steam raising plant.In addition, can also prevent that the heter temperature of exposing from the water surface from raising and circumferential component is produced thermal stress, is improved reliability.
In addition, owing to be the steam that above-mentioned steam raising plant produces to be heated up with the steam heat riser make it to become superheated steam, again this superheated steam is sent into and the heating object in the heating clamber is heated in the heating clamber, therefore, make the very fast generation steam of above-mentioned steam raising plant, can make the very fast generation of the superheated steam that offers heating clamber, shorten digestion time.
In addition, the feature of the steam cooker of an embodiment is, the described evaporating kettle of described steam raising plant, and its plan view shape is roughly elongated rectangle, and described a plurality of condition judgement elements are arranged on the side toward each other in the described evaporating kettle.
Steam cooker according to above-mentioned embodiment, by above-mentioned a plurality of condition judgement elements being arranged on the side toward each other in the evaporating kettle that plan view shape is roughly elongated rectangle, can detect the inclined degree on the vertical plane at straight line place of the condition judgement element on the side toward each other of evaporating kettle in connection is arranged on evaporating kettle.
In addition, the feature of the steam cooker of an embodiment is that the interior side toward each other of described evaporating kettle that described a plurality of condition judgement elements are set is minor face one side of the described elongated rectangular of described evaporating kettle.
Steam cooker according to above-mentioned embodiment, owing to will above-mentioned a plurality of condition judgement elements be arranged on plan view shape and be on the interior side toward each other of the evaporating kettle of elongated rectangular and be in minor face one side, thereby the straight line that connects the condition judgement element on the side toward each other be arranged in the evaporating kettle is to be on the length direction of evaporating kettle of elongated rectangular at plan view shape, therefore, can detect the inclined degree of evaporating kettle on the vertical plane at this straight line place, that is, evaporating kettle is exposing the degree that the direction that has the greatest impact tilts to heater from the water surface.
In addition, the feature of the steam cooker of an embodiment is that at least one of described a plurality of condition judgement elements is level sensor.
Steam cooker according to above-mentioned embodiment, by use level sensor at least one as above-mentioned a plurality of condition judgement elements, above-mentioned level sensor can be used for the detection of the water level in the evaporating kettle and the judgement of exposing state of heater, structure is simplified.
In addition, the feature of the steam cooker of an embodiment is that described level sensor is from the hot type thermistor.
Steam cooker according to above-mentioned embodiment, be to use from the hot type thermistor as above-mentioned level sensor, thereby according to its in air with water in the difference of heat radiation constant come sensed water level, therefore, compare with the float-type level sensor, do not have moving part, simple in structure and accurate sensed water level.As this embodiment, because in the generation steam that water temperature changes, even if not only in water, also temperature (steam temperature) is detected at the water in air level sensor, therefore, preferably use the temperature sensor that water temperature is detected simultaneously, determine having or not of water level from above-mentioned detected temperatures from the hot type thermistor according to the detected water temperature of this temperature sensor.
In addition, steam raising plant of the present invention is characterized in that, has: supply with the evaporation of water still to it; Be arranged on the heater in the described evaporating kettle; A plurality of condition judgement elements, be arranged in the described evaporating kettle, the state that exposes the water of described heater in described evaporating kettle is judged.
According to the steam raising plant that as above constitutes, water level in the evaporating kettle is positioned at than on the high slightly position, the top of heater, can make that the water yield in the evaporating kettle is minimum, but tilt so evaporating kettle when tilting at this steam cooker body, if do not reach the water level that heater is upwards exposed from the water surface, then can not effectively utilize the heat that heater sends, the generation of steam also will be postponed.For this reason, in steam raising plant of the present invention, will a plurality of condition judgement elements that state judges that expose of above-mentioned heater be arranged in the evaporating kettle, so that the state that exposes the water of heater in above-mentioned evaporating kettle is judged.So, can be according to the result of determination of above-mentioned a plurality of condition judgement elements, the water level in the evaporating kettle remained on make in the water of heater in above-mentioned evaporating kettle not on the water level that can expose from the water surface.As mentioned above, even above-mentioned evaporating kettle tilts, also can make heater not can from the water surface expose and also the evaporating kettle that heats with heater in the water yield the least possible, can make the very fast generation of steam.In addition, can also prevent that the heter temperature of exposing from the water surface from raising and circumferential component is produced thermal stress, is improved reliability.
In addition, the feature of the steam raising plant of an embodiment is, described evaporating kettle, and its plan view shape is roughly elongated rectangle, and described a plurality of condition judgement elements are arranged on the side toward each other in the described evaporating kettle.
Steam raising plant according to above-mentioned embodiment, by above-mentioned a plurality of condition judgement elements being arranged on the side toward each other in the evaporating kettle that plan view shape is roughly elongated rectangle, can detect the inclined degree on the vertical plane at straight line place of the condition judgement element on the side toward each other of evaporating kettle in connection is arranged on evaporating kettle.
In addition, the feature of the steam raising plant of an embodiment is that the interior side toward each other of described evaporating kettle that described a plurality of condition judgement elements are set is minor face one side of the described elongated rectangular of described evaporating kettle.
Steam raising plant according to above-mentioned embodiment, because will above-mentioned a plurality of condition judgement elements being arranged on plan view shape is roughly on the interior side toward each other of the evaporating kettle of elongated rectangle, and be minor face one side at evaporating kettle, thereby the straight line that connects the condition judgement element on the side toward each other be arranged in the evaporating kettle is to be roughly on the length direction of evaporating kettle of elongated rectangle at plan view shape, therefore, can detect the inclined degree of evaporating kettle on the vertical plane at this straight line place, that is, evaporating kettle is exposing the degree that the direction that has the greatest impact tilts to heater from the water surface.
In addition, the feature of the steam raising plant of an embodiment is that at least one of described a plurality of condition judgement elements is level sensor.
Steam raising plant according to above-mentioned embodiment, by use level sensor at least one as above-mentioned a plurality of condition judgement elements, above-mentioned level sensor can be used for the detection of the water level in the evaporating kettle and the judgement of exposing state of heater, structure is simplified.
In addition, the feature of the steam raising plant of an embodiment is that described level sensor is from the hot type thermistor.
Steam raising plant according to above-mentioned embodiment, be to use from the hot type thermistor as above-mentioned level sensor, thereby according to its in air with water in the difference of heat radiation constant come sensed water level, therefore, compare with the float-type level sensor, do not have moving part, simple in structure and accurate sensed water level.As this embodiment, because in the generation steam that water temperature changes, even if not only in water, also temperature (steam temperature) is detected at the water in air level sensor, therefore, preferably use the temperature sensor that water temperature is detected simultaneously, determine having or not of water level from above-mentioned detected temperatures from the hot type thermistor according to the detected water temperature of this temperature sensor.
By above explanation as can be known, according to steam cooker of the present invention, can make the very fast generation of superheated steam and shorten digestion time.
In addition, according to steam raising plant of the present invention, can provide that a kind of can to make the device very fast generation of steam, that carry out hot digestion for steam cooker etc. be best steam raising plant.
Description of drawings
Fig. 1 is the stereoscopic figure of the steam cooker of an embodiment of the present invention.
Fig. 2 is the stereoscopic figure of door when opening of above-mentioned steam cooker.
Fig. 3 is a summary pie graph of showing the formation of above-mentioned steam cooker.
Fig. 4 (a) is the vertical view of evaporating kettle of the steam raising plant of above-mentioned steam cooker, and Fig. 4 (b) is the side view of above-mentioned evaporating kettle.
Fig. 5 (a) is the side view of above-mentioned steam raising plant 40, and Fig. 5 (b) is that the V-V of Fig. 5 (a) is to cutaway view.
Fig. 6 is the control block diagram of above-mentioned steam cooker.
Fig. 7 is the vertical view of evaporating kettle of other heater of use of above-mentioned steam raising plant.
Fig. 8 is the schematic diagram that the demarcation strip in the above-mentioned evaporating kettle is described.
Fig. 9 (a) adheres to water level less than on the level sensor time and the figure that shows from the variation of temperature of hot type thermistor to bubble, and Fig. 9 (b) is water level in the time of can being attached on the level sensor to bubble and the figure that shows from the variation of temperature of hot type thermistor.
Figure 10 is the schematic diagram that the state when the 2nd steam generation heater contacts with demarcation strip in above-mentioned evaporating kettle is showed.
Figure 11 is to detected water temperature of temperature sensor and the figure that shows as the relation between the detected temperature of hot type thermistor of level sensor.
The specific embodiment
Below, steam cooker of the present invention and steam raising plant are described in detail in conjunction with illustrated embodiment.
Fig. 1 is the stereoscopic figure of the steam cooker 1 of an embodiment of the present invention, top in the front of the shell 10 of rectangular shape is provided with guidance panel 11, at the downside of the guidance panel 11 in the front of above-mentioned shell 10, the limit that is provided with the lower end is the door 12 that axle rotates.The top of above-mentioned door 12 is provided with handle 13, and above-mentioned door 12 is provided with the window 14 that heat resistant glass is made.
In addition, Fig. 2 is the stereoscopic figure of door 12 when opening of above-mentioned steam cooker 1, is provided with the heating clamber 20 of rectangular shape in above-mentioned shell 10.Above-mentioned heating clamber 20 has peristome 20a in the front towards door 12, and the side of heating clamber 20, bottom surface and end face are formed by corrosion resistant plate.In addition, the side towards heating clamber 20 of above-mentioned door 12 is formed by corrosion resistant plate.Around above-mentioned heating clamber 20 and door 12 inboard be provided with heat-insulating material (not shown), to carrying out thermal insulation between the inside of heating clamber 20 and the outside.
In addition, what be placed with the stainless steel manufacturing on the bottom surface of above-mentioned heating clamber 20 connects dish 21, connects dish and can place the shelf 24 (being shown in Fig. 3) that the stainless steel wire that is used for placing heating object is made on 21.Have again, on two sides of above-mentioned heating clamber 20, be provided with the side steam blow-off outlet 22 that is roughly rectangular shape (one of them only is shown among Fig. 2) of the about level of its length direction.
Fig. 3 is a summary pie graph of showing the basic comprising of above-mentioned steam cooker 1.As shown in Figure 3, above-mentioned steam cooker 1 has: heating clamber 20; Be used for storing the water tank 30 that produces the water that steam uses; Make the steam raising plant 40 of the water evaporation of supplying with by above-mentioned water tank 30; The steam heat riser 50 that steam from above-mentioned steam raising plant 40 is heated; The control device 80 that above-mentioned steam raising plant 40 and steam heat riser 50 etc. are controlled.
The shelf 24 of lattice-shaped is placed on is placed on connecing on the dish 21 in the above-mentioned heating clamber 20, place heating object 90 in about center of this shelf 24.
In addition, the connecting portion 30a that is arranged on the bottom of water tank 30 is connected on the funnel shaped water inlet 31a on the end that is arranged on the 1st feed pipe 31.The input of pump 35 is connected on the 2nd feed pipe 32 other ends that come out to extend upward from above-mentioned the 1st feed pipe 31 top sets, and an end of the 3rd feed pipe 33 is connected on the output of this pump 35.In addition, be equiped with water tank with level sensor 36 at the level sensor that comes out to extend upward from above-mentioned the 1st feed pipe 31 top sets with the upper end of pipe 38.Have, the upper end of the atmospheric communicating pipe 37 that comes out to extend upward from above-mentioned the 1st feed pipe 31 top sets is connected on the discharge duct 65 described later again.
In addition, the part that above-mentioned the 3rd feed pipe 33 is vertical setting is L shaped to the horizontal direction bending roughly, and auxiliary water tank 39 is connected on the other end of the 3rd feed pipe 33.One end of the 4th feed pipe 34 is connected on the lower end of above-mentioned auxiliary water tank 39, and the other end of the 4th feed pipe 34 is connected on the lower end of steam raising plant 40.In addition, an end of draining valve 70 be connected above-mentioned steam raising plant 40 connection on the lower end of the 4th feed pipe 34.In addition, an end of drainpipe 71 is connected on the other end of draining valve 70, and discharge casing 72 is connected on the other end of drainpipe 71.The top of above-mentioned auxiliary water tank 39 is communicated with atmosphere by atmospheric communicating pipe 37 and discharge duct 65.
In case above-mentioned water tank 30 is connected, till water in the water tank 30 just flows into and also rises on the position identical with the water level of water tank 30 in the atmospheric communicating pipe 37 always, is airtight with the level sensor that level sensor 36 links to each other with the front end of managing 38 with above-mentioned water tank, though thereby water level can not rise, level sensor will correspondingly begin to raise from atmospheric value with the water level of water tank 30 with the pressure in the confined space of pipe 38.Detect with the variation of the pressure detecting element (not shown) in the level sensor 36 with water tank, just can detect the water level in the water tank 30 this pressure.If in the static process of pump 35, carry out the mensuration of water level, then can not need atmospheric communicating pipe 37, but cause the water level detecting precision of water tank 30 to reduce for the swabbing pressure that prevents pump 35 directly acts on the pressure detecting element, use be atmospheric communicating pipe 37 with open end.
In addition, above-mentioned steam raising plant 40 has: the evaporating kettle 41 that the bottom links to each other with the other end of the 4th feed pipe 34; Be arranged near the heater 42 in bottom surface in the above-mentioned evaporating kettle 41; Be arranged near the level sensor 43 in top of the heater 42 in the above-mentioned evaporating kettle 41; Be installed in the steam pumping projector 44 on the top of above-mentioned evaporating kettle 41.And, fan drum 26 is arranged in the arranged outside of the suction inlet 25 on the top of the side that is arranged on heating clamber 20.Can be by being arranged on the Air Blast fan 28 in the said fans shell 26, the steam of heating clamber 20 is sucked from suction inlet 25.The steam that is inhaled into enters the arrival end of the steam pumping projector 44 of steam raising plant 40 through the 1st pipe the 61 and the 2nd pipe 62.The 61 approximate horizontal settings of above-mentioned the 1st pipe, the one end is connected on the fan drum 26.In addition, the 62 approximate vertical settings of above-mentioned the 2nd pipe, the one end is connected on the 1st pipe 61 the other end, and its other end is connected on the arrival end of inner nozzle 45 of steam pumping projector 44.
Above-mentioned steam pumping projector 44 has the outer nozzle 46 that the outside of inner nozzle 45 is wrapped, and the ejection end of inner nozzle 45 is communicated with the inner space of evaporating kettle 41.In addition, the ejection end of the outer nozzle 46 of above-mentioned steam pumping projector 44 is connected on the end of the 3rd pipe 63, and steam heat riser 50 is connected on the other end of the 3rd pipe 63.
Formed outer loop path 60 by said fans shell the 26, the 1st pipe the 61, the 2nd pipe 62, steam pumping projector the 44, the 3rd pipe 63 and steam heat riser 50.In addition, an end of vent pathway 64 is connected on the floss hole 27 of bottom of the side that is arranged on above-mentioned heating clamber 20, and the other end of vent pathway 64 is connected on the end of discharge duct 65.The other end at discharge duct 65 is provided with exhaust outlet 66.Embedding is equipped with radiator 69 outside discharge duct 65 1 sides of vent pathway 64.In addition, the connecting portion of the 1st pipe the 61, the 2nd pipe 62 of formation said external circulating path 60 is connected on the discharge duct 65 by exhaust channel 67.The the 1st, the 2nd pipe 61,62 at above-mentioned exhaust channel 67 connects side, is provided with the air door 68 that is used for opening and closing exhaust channel 67.
In addition, above-mentioned steam heat riser 50 is in about center at the top of heating clamber 20, has downward opening disc-shaped housings 51, is arranged on the 1st steam superheater 52 in the above-mentioned disc-shaped housings 51 and is arranged on the 2nd steam superheater 53 in the above-mentioned disc-shaped housings 51.The top board 54 that the bottom surface of above-mentioned disc-shaped housings 51 is made by the metal on the end face that is arranged on heating clamber 20 forms.Be formed with a plurality of overhead vapor blow-off outlets 55 on the above-mentioned top board 54.In addition, the upper and lower surface with above-mentioned top board 54 is processed into dead color in modes such as applications.Also can adopt by repeated use and become dark-coloured metal material or dark-coloured ceramics forming spare formation top board 54.
Have, an end of the steam supply passageway 23 (one of them only is shown among Fig. 3) that extends to the left and right sides of heating clamber 20 is connected on the above-mentioned steam heat riser 50 again.And the other end of above-mentioned steam supply passageway 23 extends downwards along two sides of heating clamber 20, is connected on the side steam blow-off outlet 22 of bottom of two sides that are arranged on heating clamber 20.
Below, in conjunction with Fig. 4, Fig. 5 above-mentioned steam raising plant 40 is elaborated.
At first, Fig. 4 (a) is the vertical view of seeing the past from the top of the evaporating kettle 41 of above-mentioned steam raising plant 40, and Fig. 4 (b) is the side view of above-mentioned evaporating kettle 41.
Shown in Fig. 4 (a) and (b), evaporating kettle 41 has: be roughly the rectangular tube 41a of portion on vertical view; Be arranged on the above-mentioned tube 41a of portion the bottom, by the bottom 41b that forms of the inclined plane of step-down gradually towards the position, center; Be arranged on the admission port 41c of about center of above-mentioned bottom 41b.The length-width ratio of the plan view shape of above-mentioned evaporating kettle 41 is 1: 2.5, but so long as elongated shape, is that rectangular shape or elliptical shape get final product.During for rectangle, its length-width ratio is advisable with 1/2, is good with 1/2.5 especially, if 1/3 with next better.
Be provided with heater 42 near the bottom 41b in above-mentioned evaporating kettle 41, this heater 42 is made of the 1st steam generation heater 42A and conduct as the big caliber armored of U-shaped heater are arranged on the U-shaped tubule footpath armored heater on the roughly same plane in the inboard of the 1st steam generation heater 42A of this U-shaped the 2nd steam generation heater 42B.Above-mentioned heater 42 is provided with along the sidewall of the 41a of tube portion of evaporating kettle 41 is close, and the beeline between the sidewall of the outer rim of heater 42 and the 41a of tube portion is 2mm～5mm.In addition, the lower edge of heater 42 is near the bottom 41b of evaporating kettle 41, and the beeline of the bottom 41b of the foot of heater 42 and evaporating kettle 41 is 2mm～5mm.
In this embodiment, what the 1st steam generation heater 42A used is the armored heater of the big caliber of 700W, and what the 2nd steam generation heater 42B used is the armored heater of the little caliber of 300W.Above-mentioned the 1st steam generation heater 42A has bend 42Aa of the half-circle-arc shape of being roughly and two line part 42Ab, 42Ac that extend from the almost parallel ground, two ends of this bend 42Aa.And above-mentioned the 2nd steam generation heater 42B has bend 42Ba of the half-circle-arc shape of being roughly and two line part 42Bb, 42Bc that extend from the almost parallel ground, two ends of this bend 42Ba.The bend 42Aa of above-mentioned the 1st steam generation heater 42A has the minimum profile curvature radius r1 by the decision of the armored heater of employed big caliber, the bend 42Ba of the 2nd steam generation heater 42B have by the minimum profile curvature radius r2 of the armored heater decision of employed little caliber (＜r1).
On near the sidewall of non-heating portion (the C zone of Fig. 4 (a)) side of the top of the heater 42 in above-mentioned the evaporating kettle 41 and inboard of the 2nd steam generation heater 42B, be provided with level sensor 43.In addition, be provided with the demarcation strip 47 that the cross section that gets up of level sensor 43 is П shape all around in the evaporating kettle 41.Formed the cylindrical shell that cross section is rectangle by the sidewall in above-mentioned demarcation strip 47 and the evaporating kettle 41.The lower end of above-mentioned demarcation strip 47 be positioned at than the bottom 41b of evaporating kettle 41 by last and than the foot of the 1st, the 2nd steam generation heater 42A, 42B by under the position on.On the other hand, the height of the upper end of above-mentioned demarcation strip 47 is more than 2 times of height from the foot of heater 42 to the installation site of level sensor 43.In addition, be provided with temperature sensor 48 with level sensor 43 sidewall in opposite directions in the above-mentioned evaporating kettle 41.
Above-mentioned level sensor 43 is from the hot type thermistor, in water, corresponding to the temperature detection of 20 ℃～100 ℃ water to be the temperature of 100 ℃～140 ℃ of this degree, in air, detected is about about 140 ℃～150 ℃ temperature.And, be level sensor 43 detected temperature to be judged, thereby judge the having or not of water outlet, be whether the installed position of level sensor 43 has water according to the temperature of temperature sensor 48 detected water.
In addition, Fig. 5 (a) is the side view of above-mentioned steam raising plant 40, and Fig. 5 (b) is that the V-V of Fig. 5 (a) is to cutaway view.
Shown in Fig. 5 (a) and (b), the mode that covers with the upper opening of the evaporating kettle 41 that inside is provided with the 1st, the 2nd steam generation heater 42A, 42B is equipped with steam pumping projector 44.The fluid (steam) that flows into from the inlet 45a of the inner nozzle 45 of above-mentioned steam pumping projector 44 is from the ejiction opening 45b ejection of inner nozzle 45, again from the ejiction opening 46a ejection of outer nozzle 46.At this moment, because the ejection end of above-mentioned inner nozzle 45 is communicated with the inner space of evaporating kettle 41, therefore, the saturated vapors that produced in the evaporating kettle 41 will be inhaled among the ejiction opening 46a of outer nozzle 46, with the ejiction opening 46a ejection from the steam of the ejiction opening 45b ejection of inner nozzle 45 from outer nozzle 46.That is, the boiling of the water in the evaporating kettle 41 and the saturated vapor of 100 ℃, one air pressure producing are sucked in the circulating current of circulation in the circulating path 60 (being shown in Fig. 3) externally.According to the structure of above-mentioned steam pumping projector 44, saturated vapor can be aspirated rapidly, can therefore, can not hinder emitting of saturated vapor to producing the pressure effects in the steam raising plant 40.
Below, the control block diagram of steam cooker shown in Figure 61 is described.
As shown in Figure 6, the humidity sensor 82 and the pump 35 that be connected with temperature sensor 81 that Air Blast fan the 28, the 1st steam superheater the 52, the 2nd steam superheater 53, air door 68, draining valve the 70, the 1st steam generation heater 42A, the 2nd steam generation heater 42B, guidance panel 11, water tank detect with level sensor 36, level sensor 43, to the temperature in the heating clamber 20 (being shown in Fig. 3) on the control device 80, the humidity in the heating clamber 20 are detected.
Above-mentioned control device 80 is made of microcomputer and imput output circuit etc., according to from the detection signal of water tank, Air Blast fan the 28, the 1st steam superheater the 52, the 2nd steam superheater 53, air door 68, draining valve the 70, the 1st steam generation heater 42A, the 2nd steam generation heater 42B, guidance panel 11 and pump 35 are controlled according to set program with level sensor 36, level sensor 43, temperature sensor 81 and humidity sensor 82.
In the steam cooker 1 that as above constitutes, along with the power switch on the push panel 11 (not shown) is operated with power connection and to guidance panel 11, the operation of hot digestion just begins.So at first, control device 80 cuts out draining valve 70, pump 35 is brought into operation under with exhaust channel 67 closing state at air door 68.Feed water in the evaporating kettle 41 of steam raising plant 40 through the 1st～the 4th feed pipe 31～34 from water tank 30 by said pump 35.Afterwards, when the water level in level sensor 43 detects above-mentioned evaporating kettle 41 reaches set water level, make pump 35 out of service and stop feedwater.
Secondly, to the 1st, the 2nd steam generation heater 42A, 42B energising, the both quantitative water of putting into evaporating kettle 41 is heated with the 1st, the 2nd steam generation heater 42A, 42B.
Secondly, in the 1st, the 2nd steam generation heater 42A, 42B energising, perhaps when the temperature of the water evaporating kettle 41 in both reaches fixed temperature, connection Air Blast fan 28, and the 1st steam superheater 52 of steam heat riser 50 switched on.So, Air Blast fan 28 sucks the air (containing steam) in the heating clamber 20 from suction inlet 25, send air (containing steam) to outside circulating path 60.Because what above-mentioned Air Blast fan 28 used is centrifugal fan, thereby compares with propeller fan, can produce higher pressure.And, adopt d.c. motor to drive and make it to rotate at a high speed to centrifugal fan as Air Blast fan 28, can make circulating current reach very high flow velocity.
Secondly, will produce saturated vapor when the water in the evaporating kettle 41 of above-mentioned steam raising plant 40 seethes with excitement, the saturated vapor that is produced converges with the circulating current of circulation from outer loop path 60 at steam pumping projector 44 places.The steam of ejection flows into steam heat riser 50 at a high speed through the 3rd pipe 63 from above-mentioned steam pumping projector 44.
Afterwards, the steam that flows into above-mentioned steam heat riser 50 become by 52 heating of the 1st steam superheater about 300 ℃ (because of the boiling content different) superheated steam.The part of this superheated steam sprays from the below of a plurality of overhead vapor blow-off outlets 55 in heating clamber 20 on the top board 54 that is arranged on downside.In addition, the steam supply passageway 23 of the left and right sides of another part of superheated steam through being arranged on steam heat riser 50 is from side steam blow-off outlet 22 ejections of two sides of heating clamber 20.
So, spray to center heating object 90 forcefully from the superheated steam of the top of above-mentioned heating clamber 20 ejection, and, from the superheated steam of the left and right side of heating clamber 20 ejection with connect dish 21 and bump after, the limit encases heating object 90 from the below rising edge of heating object 90.Thus, blow downwards in the middle of in above-mentioned heating clamber 20, forming, periphery is to the convection current of a kind of like this form that rises.And the steam of convection current carries out such circulation repeatedly,, is inhaled into suction inlet 25 successively, the outer loop of flowing through path 60 returns in the heating clamber 20 once more that is.
As mentioned above, when the convection current that can form superheated steam in above-mentioned heating clamber 20 makes and keeps even temperature, moisture distribution in the heating clamber 20, superheated steam from steam heat riser 50 is sprayed from overhead vapor blow-off outlet 55 and side steam blow-off outlet 22, collide expeditiously with the heating object 90 that is placed on the shelf 24.Thus, utilize the collision of superheated steam that heating object 90 is heated.At this moment, the superheated steam that contacts with the surface of above-mentioned heating object 90 can also heat heating object 90 by discharging latent heat when the surface condensation of heating object 90.So, can be conscientiously and promptly a large amount of heat of superheated steam is given equably whole of heating object 90.Therefore, can realize the hot digestion that cooking of homogeneous heating is respond well.
In addition, in the running of above-mentioned hot digestion, As time goes on the quantity of steam in the heating clamber 20 increases, and that part of steam superfluous from measuring will be discharged into the outside through vent pathway 64, discharge duct 65 from exhaust outlet 66 from floss hole 27.At this moment, cool off and make it to condense to be arranged on 69 pairs of steam that pass through from vent pathway 64 of radiator in the vent pathway 64, thereby avoid steam directly is discharged into the outside.Condense in water in the vent pathway 64 by above-mentioned radiator 69, in vent pathway 64, flow downward and be drawn towards and connect dish 21, finish the back with handling because of carrying out the water that boiling produces in boiling.
After boiling finishes, on guidance panel 11, show the information that boiling finishes, also send bulletin sound by buzzer set on the guidance panel 11 (not shown) by control device 80.When the user learns thus that boiling finishes and when door 12 opened, control device 80 can detect 12 by sensor (not shown) and open, thereby the air door 68 of exhaust channel 67 is opened at once.So, the 1st pipe 61 in outer loop path 60 just is communicated with discharge duct 65 by exhaust channel 67, and the steam in the heating clamber 20 is discharged from exhaust outlet 66 by suction inlet the 25, the 1st pipe 61, exhaust channel 67 and discharge duct 65 by Air Blast fan 28.The action of this air door also is the same when the user opens door 12 in the process of carrying out boiling.Therefore, the user can take out heating object 90 and avoid being scalded by steam safely from heating clamber 20.
By near the bottom 41b in the evaporating kettle 41 of above-mentioned steam raising plant 40 as mentioned above and on the roughly same horizontal plane heater 42 is set, can make the water level that supplies to the water in the evaporating kettle 41 be positioned at bottom 41b from evaporating kettle 41 to the position of the top slightly on the top of heater 42.Therefore, thereby, evaporating kettle 41 interior water levels to the position of the top slightly on the top of heater 42, make water level low as far as possible because being positioned at from the bottom 41b of evaporating kettle 41, can make that the water yield in the evaporating kettle 41 that heats with heater 42 is the least possible, can make the very fast generation steam of steam raising plant 40.Make the very fast generation steam of above-mentioned steam raising plant 40, can make the very fast generation of superheated steam, shorten digestion time.Particularly, long-time when carrying out initial hot digestion after out of service, needn't take to carry out measure such as preheating and just can make the very fast generation of the superheated steam that offers heating clamber 20, therefore, shorten the effect highly significant of digestion time at stopping period.
In addition, be in the evaporating kettle 41 of elongated shape (in the present embodiment for rectangle) heater 42 to be set by plan view shape at above-mentioned steam raising plant 40, the armored heater (42A, 42B) that will use as this heater 42 is along the sidewall setting of evaporating kettle 41, can reduce the area occupied in the zone that fenced up by the outer rim of heater 42, the unit heater that improves in the evaporating kettle 41 takies the heater power of floor space (perhaps water surface area), but also can reduce the area of the plan view shape of evaporating kettle 41.Therefore, improve the heater power that unit heaters in the above-mentioned evaporating kettle 41 take floor space (perhaps water surface area), thereby and the area that reduces the plan view shape of evaporating kettle 41 make the water yield reduce, can make the very fast generation steam of steam raising plant 40.
In addition, for the 1st steam generation heater 42A as the big caliber armored of above-mentioned U-shaped heater, and as the 2nd steam generation heater 42B of the footpath of the U-shaped tubule on the roughly same plane of inboard that is arranged on the 1st steam generation heater 42A armored heater, the radius of curvature that makes bend 42Ba is the minimum profile curvature radius by the decisions such as caliber of armored heater, thereby under the identical condition of the power of supplying with to heater 42, can make that the area occupied in the zone that the outer rim of the heater 42 that constituted by two kinds of different armored heaters of diameter fences up is little and reach the highest to the heater power that can make evaporating kettle 41 interior unit heaters take floor space (perhaps water surface area).Improve the heater power that evaporating kettle 41 interior unit heaters take floor space (perhaps water surface area), can make above-mentioned steam raising plant generate steam quickly.In addition, energising with the 2nd steam generation heater 42B of the 1st steam generation heater 42A of control device 80 pairs above-mentioned high-power (700W) and small-power (300W) is switched, just can control the power of importing for generation steam by their combination, produce and the corresponding steam of boiling content.
Therefore, make the very fast generation steam of above-mentioned steam raising plant 40, can make the very fast generation of supplying with to heating clamber of superheated steam, shorten digestion time.
In addition, Fig. 8 is the schematic diagram that the demarcation strip in the above-mentioned evaporating kettle is described.Among Fig. 8, HSt is the height from the foot of heater 42 to the upper end of demarcation strip 47, Hhi is the height from the foot of heater 42 to the upper limit of water level, Hlow is the height that will be judged as the water level of no water level from the foot of heater 42 to level sensor 43, and HSb is to the height of the foot of heater 42 from the lower end of demarcation strip 47.
By making about more than 2 times for height H hi of height H st from the foot of the heater 42 of above-mentioned steam raising plant 40 to the upper end of demarcation strip 47 from the foot of heater 42 to the water level upper limit, the upper end that the bubbles that produce in the evaporating kettle 41 in the time of can making steam produce do not reach demarcation strip 47, make bubble can't cross demarcation strip 47 enter into demarcation strip 47 the inboard, be level sensor 43 1 sides.Therefore, can prevent more reliably that the bubble that produces from causing level sensor 43 that flase drop takes place and surveying.
In addition, by guaranteeing from the lower end of above-mentioned demarcation strip 47 to the height H Sb of the foot of heater 42, promptly, guarantee below the foot of the heater 42 of lower end in evaporating kettle 41 of demarcation strip 47 of steam raising plant 40, can make the bubble that produces in the evaporating kettle 41 when steam produces not arrive the lower end of demarcation strip 47, the inboard that makes bubble can't enter into demarcation strip 47 from the downside of demarcation strip 47 is level sensor 43 1 sides.Therefore, the bubble that produces in the time of can preventing to produce steam more reliably causes level sensor 43 that the flase drop survey takes place.
Fig. 9 (a) shows be bubble adhere to less than on the level sensor 43 time water level and from the variation of temperature of hot type thermistor, Fig. 9 (b) shows be bubble can be attached on the level sensor 43 time water level and from the variation of temperature of hot type thermistor.Shown in Fig. 9 (a), forms bubble in the evaporating kettle 41 and can't be attached to structure on the level sensor 43 owing to above-mentioned demarcation strip 47 is arranged on, thereby under water level arrives, raise and become the value that reflects when anhydrous from the temperature of hot type thermistor in limited time.And when pump 35 (being shown in Fig. 3) work, make-up water to evaporating kettle 41 in and water level arrive to be gone up in limited time, will become the value that reflects when water is arranged from the temperature of hot type thermistor.With respect to this, if there is not demarcation strip, then shown in Fig. 9 (b), although be in the water level of water infiltration less than level sensor 43, but because bubble can be attached on the level sensor 43, thereby can cause temperature disorder, can't carry out the supply of water rightly from the hot type thermistor.
In addition, be arranged on from a distance in the evaporating kettle 41 with level sensor 43 by demarcation strip 47 above-mentioned steam raising plant 40, can avoid dropping to level sensor 43 when following at water level, water droplet can prevent more reliably that level sensor 43 from flase drop taking place survey between the internal face of surface that is attached to level sensor 43 under the capillary effect and demarcation strip 47.
In addition, be arranged on from a distance in the evaporating kettle 41 with demarcation strip 47 by heater 42 above-mentioned steam raising plant 40, can prevent this from occurring, promptly, for example as shown in figure 10, the bubble that is produced when producing steam under the outside wall surface state of contact of heater (among Figure 10 for 42B) and demarcation strip 47 is sandwiched between heater (42B) and the demarcation strip 47, and this bubble change enters in the demarcation strip 47 from the bottom of demarcation strip 47 greatly.Therefore, the bubble that produces in the time of can preventing to produce steam more reliably causes level sensor 43 that the flase drop survey takes place.
In addition, in the steam cooker 1 of above-mentioned embodiment, can make that the water yield of evaporating kettle 41 reaches minimum though make evaporating kettle 41 interior water levels be positioned at the position higher slightly than the top of heater 42, but when the body of this steam cooker 1 tilts so evaporating kettle 41 when tilting, if do not reach the water level that heater 42 is upwards exposed from the water surface, then can not effectively utilize the heat that heater 42 sends, the generation of steam also will be postponed.For this reason, in above-mentioned steam cooker 1, to be arranged in the evaporating kettle 41 as level sensor 43 and temperature sensor 48, so that the state that exposes the water of heater 42 in above-mentioned evaporating kettle is judged the example that exposes the condition judgement element that state judges of heater 42.
For example, evaporating kettle 41 run-off the straights when producing steam, the position of the position step-down of level sensor 43 1 sides, temperature sensor 48 1 sides uprises, level sensor 43 is in water, temperature sensor 48 is positioned at airborne occasion, the detected temperatures of level sensor 43 will be about 100 ℃, and temperature sensor 48 will reach more than 100 ℃ because of being subjected to heater 42 its detected temperatures of heating.Can learn that thus inclination has taken place evaporating kettle 41, can learn the state that temperature sensor 48 1 sides that are in heater 42 are exposed from the water surface.And evaporating kettle 41 run-off the straights when producing steam, the position of level sensor 43 1 sides uprises, the position step-down of temperature sensor 48 1 sides, level sensor 43 is arranged in air, the occasion that temperature sensor 48 is in water, the detected temperatures of level sensor 43 will become will be judged as anhydrous temperature, and the detected temperatures of temperature sensor 48 is below 100 ℃.Can learn that thus inclination has taken place evaporating kettle 41, can learn the state that level sensor 43 1 sides that are in heater 42 are exposed from the water surface.
As mentioned above, according to the result who utilizes above-mentioned level sensor 43 and temperature sensor 48 detected temperature to judge, 80 pairs of pumps 35 of control device are controlled, and make that the water level in the evaporating kettle 41 keeps not making the water level that exposes from the water surface in the water of heater 42 in above-mentioned evaporating kettle.Therefore, even if as the such installation site of family kitchen is not level and under the situation that evaporating kettle 41 more or less tilts, heater 42 can not expose from the water surface yet, and can make the water yield in the evaporating kettle 41 that heats with heater 42 the least possible, make the very fast generation steam of steam raising plant 40.In addition, can also avoid the temperature of the heater 42 that exposes from the water surface to raise and peripheral parts are produced thermal stress.
Therefore, make the very fast generation steam of above-mentioned steam raising plant 40, can make the very fast generation of supplying with to heating clamber 20 of superheated steam, shorten digestion time.
In addition, by will be, can detect the inclined degree on the vertical plane at straight line place of level sensor 43 on the side toward each other of evaporating kettle 41 in connection is arranged on evaporating kettle 41 and temperature sensor 48 as on the side toward each other that the level sensor 43 of the example that exposes the condition judgement element that state judges of above-mentioned heater 42 and temperature sensor 48 is arranged in the evaporating kettle 41 that plan view shape is an elongated rectangular.Have again, owing to be arranged on above-mentioned level sensor 43 and temperature sensor 48 on the side toward each other in the evaporating kettle 41 and be in minor face one side, thereby the straight line that connects level sensor 43 and temperature sensor 48 is on the length direction of evaporating kettle 41, therefore, can detect the inclined degree of evaporating kettle 41 on the vertical plane at this straight line place, that is, evaporating kettle 41 exposes the degree that the direction that has the greatest impact tilts from the water surface in to the water of heater 42 in above-mentioned evaporating kettle 41.
In addition, by using level sensor 43 as above-mentioned heater 42 exposed one of condition judgement element that state judges, level sensor 43 can be used for the detection of the water level in the evaporating kettle 41 and the judgement of exposing state (being the inclination of evaporating kettle) of heater 42, structure is simplified.
In addition, use from the hot type thermistor as above-mentioned level sensor 43, just can utilize its in air and the difference of heat radiation constant in the water come sensed water level, therefore, compare with the float-type level sensor, do not have moving part, simple in structure and accurate sensed water level.
In the steam cooker 1 of present embodiment, when producing steam, not only in water but also at water in air level sensor 43, also temperature (steam temperature) is detected, therefore, be to use the temperature sensor 48 that water temperature is detected simultaneously, and determine having or not of water level from detected temperatures from the hot type thermistor as above-mentioned level sensor 43 according to this temperature sensor 48 detected water temperatures.
Figure 11 shows is temperature sensor 48 detected water temperatures and as the relation between the detected temperature of hot type thermistor of level sensor 43.In Figure 11, transverse axis represent temperature sensor 48 detected water temperatures (vapor (steam) temperature) [℃], the longitudinal axis represent level sensor 43 from the detected temperature of hot type thermistor [℃].
As shown in figure 11, level sensor 43 from the detected temperature of hot type thermistor, no matter in water or in air, all rise gradually with the rising of temperature sensor 48 detected water temperatures (vapor (steam) temperature).Actually or for a reference value of temperature in the temperature air in the detected temperature water of hot type thermistor that is used for differentiating as level sensor 43, above-mentioned control device 80 determines according to temperature sensor 48 detected water temperatures (vapor (steam) temperature).Control device 80 to as the judging from the detected temperature of hot type thermistor of level sensor 43, is in water or in air thereby judge level sensor 43 according to this a reference value.
In the above-described embodiment, use be the armored heater, but also can use cartridge heater with flat heated.
In addition, in the above-described embodiment, what use in the steam raising plant 40 is to have as the 1st steam generation heater 42A of the big caliber armored of U-shaped heater and as the heater 42 of the 2nd steam generation heater 42B of the U-shaped tubule footpath armored heater of the side that sets within it, but the shape of heater is not limited to this, can be Any shape.But preferably be arranged near the bottom in the evaporating kettle, the heater on same horizontal plane roughly.
For example, also can be the shape of heater 90 shown in Figure 7.This heater 90 as shown in Figure 7, bend 90d, the line part 90e, the radius of curvature that are bend 90b, line part 90c with line part 90a, half-circle-arc shape, half-circle-arc shape are less than the bend 90f of the half-circle-arc shape of bend 90b, 90d and the armored heater of line part 90g.The above-mentioned radius of curvature r3 that is positioned at the bend 90f of inboard half-circle-arc shape is the minimum profile curvature radius of armored heater.Wherein, though the part of line part 90g is the below that is positioned at bend 90d, as long as the major part of heater 90 roughly is positioned on the same horizontal plane.
Claims (10)
1. a steam cooker is characterized in that,
Have: the steam raising plant that produces steam; The steam heat riser heats up the steam from described steam raising plant; Heating clamber, the steam that provides with described steam heat riser heats heating object;
Described steam raising plant has: supply with the evaporation of water still to it; Be arranged on the heater in the described evaporating kettle; A plurality of condition judgement elements; Be arranged in the described evaporating kettle, the state that exposes the water of described heater in described evaporating kettle is judged.
2. steam cooker as claimed in claim 1 is characterized in that,
The described evaporating kettle of described steam raising plant, its plan view shape is roughly elongated rectangle,
Described a plurality of condition judgement element is arranged on the interior side toward each other of described evaporating kettle.
3. steam cooker as claimed in claim 2 is characterized in that,
The interior side toward each other of described evaporating kettle that described a plurality of condition judgement elements are set is minor face one side of the described elongated rectangular of described evaporating kettle.
4. steam cooker as claimed in claim 1 is characterized in that,
At least one of described a plurality of condition judgement elements is level sensor.
5. steam cooker as claimed in claim 4 is characterized in that,
Described level sensor is from the hot type thermistor.
6. steam raising plant is characterized in that having:
Supply with the evaporation of water still to it;
Be arranged on the heater in the described evaporating kettle;
A plurality of condition judgement elements are arranged in the described evaporating kettle, and the state that exposes the water of described heater in described evaporating kettle is judged.
7. steam raising plant as claimed in claim 6 is characterized in that,
Described evaporating kettle, its plan view shape is roughly elongated rectangle,
Described a plurality of condition judgement element is arranged on the interior side toward each other of described evaporating kettle.
8. steam raising plant as claimed in claim 7 is characterized in that,
The interior side toward each other of described evaporating kettle that described a plurality of condition judgement elements are set is minor face one side of the described elongated rectangular of described evaporating kettle.
9. steam raising plant as claimed in claim 6 is characterized in that,
At least one of described a plurality of condition judgement elements is level sensor.
10. steam raising plant as claimed in claim 9 is characterized in that,
Described level sensor is from the hot type thermistor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004053646A JP3722820B2 (en) | 2004-02-27 | 2004-02-27 | Steam cooker |
| JP053646/2004 | 2004-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1946970A true CN1946970A (en) | 2007-04-11 |
| CN100549532C CN100549532C (en) | 2009-10-14 |
Family
ID=34908750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800130004A Expired - Fee Related CN100549532C (en) | 2004-02-27 | 2005-02-23 | Steam cooker |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8109204B2 (en) |
| EP (1) | EP1731840A1 (en) |
| JP (1) | JP3722820B2 (en) |
| CN (1) | CN100549532C (en) |
| WO (1) | WO2005083328A1 (en) |
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- 2005-02-23 CN CNB2005800130004A patent/CN100549532C/en not_active Expired - Fee Related
- 2005-02-23 EP EP05710563A patent/EP1731840A1/en not_active Withdrawn
- 2005-02-23 US US10/590,717 patent/US8109204B2/en not_active Expired - Fee Related
- 2005-02-23 WO PCT/JP2005/002870 patent/WO2005083328A1/en active Application Filing
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| CN101765391B (en) * | 2007-07-31 | 2012-09-05 | 皇家飞利浦电子股份有限公司 | Method and device for cooking food such as rice |
| CN103672988A (en) * | 2012-08-30 | 2014-03-26 | 三星电子株式会社 | Cooking apparatus |
| US9565963B2 (en) | 2012-08-30 | 2017-02-14 | Samsung Electronics Co., Ltd. | Steam generator and cooking apparatus having the same |
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| CN104688014A (en) * | 2013-12-10 | 2015-06-10 | 高耀宗 | Household electrothermal vaporization heater |
| CN110944549A (en) * | 2017-05-25 | 2020-03-31 | 三星电子株式会社 | Steam cooking device |
| CN110944549B (en) * | 2017-05-25 | 2021-09-03 | 三星电子株式会社 | Steam cooking device |
| US11149962B2 (en) | 2017-05-25 | 2021-10-19 | Samsung Electronics Co., Ltd. | Steam cooker |
| CN113647800A (en) * | 2017-05-25 | 2021-11-16 | 三星电子株式会社 | Steam cooking device |
| CN113647800B (en) * | 2017-05-25 | 2022-07-15 | 三星电子株式会社 | Steam cooking device |
| US11846430B2 (en) | 2017-05-25 | 2023-12-19 | Samsung Electronics Co., Ltd. | Steam cooker |
| CN107726288A (en) * | 2017-09-23 | 2018-02-23 | 南京律智诚专利技术开发有限公司 | A kind of energy-saving device of boiler of intelligent control |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005241191A (en) | 2005-09-08 |
| CN100549532C (en) | 2009-10-14 |
| EP1731840A1 (en) | 2006-12-13 |
| US20080229936A1 (en) | 2008-09-25 |
| JP3722820B2 (en) | 2005-11-30 |
| US8109204B2 (en) | 2012-02-07 |
| WO2005083328A1 (en) | 2005-09-09 |
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